import datetime

class Logger:
    def __init__(self):
        pass

    def info(self, session_id, message):
        now = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
        print(f"[{now}][{session_id}] {message}")
    
    def error(self, message):
        now = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
        print(f"[{now}][ERROR] {message}")

logger = Logger()